Pentennseptium (Pes)

Pentennseptium is the systematic name of the theoretical 597-и element in the periodic table with a symbol of Pes and atomic number of 597. Pentennseptium, also known as element 597, has петстотин деветдесет и седем protons in its nucleus, and петстотин деветдесет и седем electrons in its shells.